Question: What sovereign state starts with the letter "y"?
Paraphrase: WHICH SOVEREIGN STATE STARTS WITH THE LETTER Y
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q3624078 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'y')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
Answer: Yemen, Yemen